The great Martian catastrophe and how Kepler fixed it

• Autores: Owen Gingerich
• Localización: Physics today, ISSN 0031-9228, Vol. 64, Nº. 9, 2011, pág. 50
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • For a few weeks every 32 years, both the Ptolemaic and Copernican predictions for the position of Mars are off by close to 5 degrees--a problem first noticed by Tycho Brahe.